зеркало из https://github.com/mozilla/gecko-dev.git
296 строки
9.2 KiB
C++
296 строки
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_HTMLObjectElement_h
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#define mozilla_dom_HTMLObjectElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsObjectLoadingContent.h"
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#include "nsIDOMHTMLObjectElement.h"
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#include "nsIConstraintValidation.h"
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namespace mozilla {
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namespace dom {
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class HTMLFormSubmission;
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class HTMLObjectElement final : public nsGenericHTMLFormElement
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, public nsObjectLoadingContent
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, public nsIDOMHTMLObjectElement
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, public nsIConstraintValidation
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{
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public:
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explicit HTMLObjectElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
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FromParser aFromParser = NOT_FROM_PARSER);
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLObjectElement, object)
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virtual int32_t TabIndexDefault() override;
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#ifdef XP_MACOSX
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// nsIDOMEventTarget
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NS_IMETHOD PostHandleEvent(EventChainPostVisitor& aVisitor) override;
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// Helper methods
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static void OnFocusBlurPlugin(Element* aElement, bool aFocus);
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static void HandleFocusBlurPlugin(Element* aElement, WidgetEvent* aEvent);
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static void HandlePluginCrashed(Element* aElement);
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static void HandlePluginInstantiated(Element* aElement);
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// Weak pointer. Null if last action was blur.
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static Element* sLastFocused;
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#endif
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// Element
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virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;
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// EventTarget
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virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
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// nsIDOMHTMLObjectElement
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NS_DECL_NSIDOMHTMLOBJECTELEMENT
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virtual nsresult BindToTree(nsIDocument *aDocument, nsIContent *aParent,
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nsIContent *aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) override;
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virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) override;
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virtual IMEState GetDesiredIMEState() override;
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// Overriden nsIFormControl methods
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NS_IMETHOD Reset() override;
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NS_IMETHOD SubmitNamesValues(HTMLFormSubmission *aFormSubmission) override;
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virtual bool IsDisabled() const override { return false; }
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virtual void DoneAddingChildren(bool aHaveNotified) override;
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virtual bool IsDoneAddingChildren() override;
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virtual bool ParseAttribute(int32_t aNamespaceID,
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nsIAtom *aAttribute,
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const nsAString &aValue,
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nsAttrValue &aResult) override;
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virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom *aAttribute) const override;
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virtual EventStates IntrinsicState() const override;
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virtual void DestroyContent() override;
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// nsObjectLoadingContent
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virtual uint32_t GetCapabilities() const override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
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bool aPreallocateChildren) const override;
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nsresult CopyInnerTo(Element* aDest, bool aPreallocateChildren);
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void StartObjectLoad() { StartObjectLoad(true, false); }
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLObjectElement,
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nsGenericHTMLFormElement)
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// Web IDL binding methods
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// XPCOM GetData is ok; note that it's a URI attribute with a weird base URI
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void SetData(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::data, aValue, aRv);
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}
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void GetType(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::type, aValue);
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}
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void SetType(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
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}
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bool TypeMustMatch()
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{
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return GetBoolAttr(nsGkAtoms::typemustmatch);
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}
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void SetTypeMustMatch(bool aValue, ErrorResult& aRv)
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{
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SetHTMLBoolAttr(nsGkAtoms::typemustmatch, aValue, aRv);
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}
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void GetName(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::name, aValue);
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}
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void SetName(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
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}
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void GetUseMap(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::usemap, aValue);
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}
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void SetUseMap(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::usemap, aValue, aRv);
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}
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using nsGenericHTMLFormElement::GetForm;
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void GetWidth(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::width, aValue);
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}
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void SetWidth(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
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}
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void GetHeight(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::height, aValue);
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}
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void SetHeight(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
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}
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using nsObjectLoadingContent::GetContentDocument;
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nsPIDOMWindowOuter*
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GetContentWindow(nsIPrincipal& aSubjectPrincipal);
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using nsIConstraintValidation::CheckValidity;
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using nsIConstraintValidation::ReportValidity;
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using nsIConstraintValidation::GetValidationMessage;
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void GetAlign(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::align, aValue);
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}
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void SetAlign(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
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}
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void GetArchive(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::archive, aValue);
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}
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void SetArchive(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::archive, aValue, aRv);
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}
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// XPCOM GetCode is ok
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void SetCode(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::code, aValue, aRv);
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}
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bool Declare()
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{
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return GetBoolAttr(nsGkAtoms::declare);
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}
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void SetDeclare(bool aValue, ErrorResult& aRv)
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{
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SetHTMLBoolAttr(nsGkAtoms::declare, aValue, aRv);
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}
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uint32_t Hspace()
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{
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return GetUnsignedIntAttr(nsGkAtoms::hspace, 0);
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}
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void SetHspace(uint32_t aValue, ErrorResult& aRv)
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{
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SetUnsignedIntAttr(nsGkAtoms::hspace, aValue, 0, aRv);
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}
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void GetStandby(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::standby, aValue);
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}
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void SetStandby(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::standby, aValue, aRv);
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}
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uint32_t Vspace()
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{
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return GetUnsignedIntAttr(nsGkAtoms::vspace, 0);
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}
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void SetVspace(uint32_t aValue, ErrorResult& aRv)
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{
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SetUnsignedIntAttr(nsGkAtoms::vspace, aValue, 0, aRv);
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}
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// XPCOM GetCodebase is ok; note that it's a URI attribute
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void SetCodeBase(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::codebase, aValue, aRv);
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}
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void GetCodeType(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::codetype, aValue);
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}
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void SetCodeType(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::codetype, aValue, aRv);
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}
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void GetBorder(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::border, aValue);
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}
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void SetBorder(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::border, aValue, aRv);
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}
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nsIDocument*
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GetSVGDocument(nsIPrincipal& aSubjectPrincipal)
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{
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return GetContentDocument(aSubjectPrincipal);
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}
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/**
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* Calls LoadObject with the correct arguments to start the plugin load.
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*/
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void StartObjectLoad(bool aNotify, bool aForceLoad);
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protected:
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// Override for nsImageLoadingContent.
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nsIContent* AsContent() override { return this; }
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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bool aNotify) override;
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virtual nsresult OnAttrSetButNotChanged(int32_t aNamespaceID, nsIAtom* aName,
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const nsAttrValueOrString& aValue,
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bool aNotify) override;
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private:
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/**
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* Returns if the element is currently focusable regardless of it's tabindex
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* value. This is used to know the default tabindex value.
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*/
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bool IsFocusableForTabIndex();
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nsContentPolicyType GetContentPolicyType() const override
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{
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return nsIContentPolicy::TYPE_INTERNAL_OBJECT;
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}
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virtual ~HTMLObjectElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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GenericSpecifiedValues* aGenericData);
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/**
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* This function is called by AfterSetAttr and OnAttrSetButNotChanged.
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* This function will be called by AfterSetAttr whether the attribute is being
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* set or unset.
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*
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* @param aNamespaceID the namespace of the attr being set
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* @param aName the localname of the attribute being set
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* @param aNotify Whether we plan to notify document observers.
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*/
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nsresult AfterMaybeChangeAttr(int32_t aNamespaceID, nsIAtom* aName,
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bool aNotify);
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bool mIsDoneAddingChildren;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLObjectElement_h
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